You may be able to find more information about this and similar content at piano.io, Michael J. Based on laboratory transmission studies in ferrets, G4 viruses can spread via direct contact or via respiratory droplets. “Whether this can be transmitted the way flu usually does from person to person does not yet appear to be the case. Evaluating whether an existing candidate vaccine virus (CVV) against a closely related flu virus (called “G5”) would protect against this virus, If needed, creating a new CVV specific to G4 viruses, and. July 2, 2020 – A recent publication in the journal Proceedings of the National Academy of Science (PNAS)external icon describes a group of H1N1 swine influenza viruses that have “the essential hallmarks of being highly adapted to infect humans” and which are therefore of potential pandemic concern. Here’s what you need to know about G4. According to the report, these viruses have the right characteristics for causing infections in people, including the ability to grow well in human lung cells and to spread by respiratory droplets and direct contact in an animal model. Saving Lives, Protecting People, Proceedings of the National Academy of Science (PNAS), guidance for clinicians on variant virus infections, CDC’s Influenza Risk Assessment Tool (IRAT), Centers for Disease Control and Prevention, National Center for Immunization and Respiratory Diseases (NCIRD), Reconstruction of the 1918 Influenza Pandemic Virus, 2019-2020 Preliminary In-Season Burden Estimate, Who is at High Risk for Flu Complications, Who Should & Who Should NOT Get Vaccinated, Live Attenuated Influenza Vaccine (LAIV)/Nasal Spray Vaccine, Selecting Viruses for the Seasonal Influenza Vaccine, Flu Vaccine and People with Egg Allergies, Frequently Asked Questions on Vaccine Supply, Historical Reference of Vaccine Doses Distributed, Hospitalized Adult Influenza Vaccine Effectiveness Network (HAIVEN), How Vaccine Effectiveness and Efficacy are Measured, What People with a Staph Infection Should Know about Flu, Resources for Hosting a Vaccination Clinic, Overview of Influenza Surveillance in the United States, Influenza Hospitalization Surveillance Network (FluSurv-NET), Weekly U.S. The swine flu, which has been dubbed the G4 virus, is related to the H1N1 flu that caused widespread illness in 2009. Also, keep this in mind: Even though the G4 virus has H1N1 genes and the seasonal flu vaccine helps protect against H1N1, Dr. Adalja says it’s unlikely that the vaccine will help provide immunity against G4, if it were to start heavily circulating in people. “It hasn’t taken off yet. The scientists report that the new strain (G4) has descended from the H1N1 strain that was responsible for the 2009 flu pandemic. Regular households also were sampled, and about 4% of the 230 people from the general population had antibodies to G4 viruses. While it can infect humans, doctors say it shouldn’t worry you just yet. As per the CDC, most commonly, humans may get infected by such viruses due to exposure from infected pigs.

The 2009 H1N1 pandemic arose from a reassortment event between pigs, birds and human influenza A viruses. “It already has some viral characteristics coming from human flu viruses, so there’s reason to keep this one on the radar,” he says.

“But, in 2009, we saw swine flu take off.”, It’s not shocking that researchers found the G4 virus, says William Schaffner, M.D., an infectious disease specialist and professor at the Vanderbilt University School of Medicine. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. Click here to join our channel (@indianexpress) and stay updated with the latest headlines. Click here to join our channel (@ieexplained) and stay updated with the latest. These data suggest that these viruses may have acquired increased capability of infecting humans.

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